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USER’S INFORMATION
I. HERE’S HOW YOUR HEATING SYSTEM WORKS
The furnace operates automatically. It is controlled by a thermostat
which you set at the temperature most comfortable to you. When
the inside temperature drops below this setting, your thermostat
will turn on heating system.
When thermostat calls for heat, power from transformer energizes
fan control board. The fan control energizes ignition control. The
ignition control lights burner automatically.
The electronic fan control automatically turns on blower after 30
sec. Fan on control is not adjustable. The air which is moved over
heat exchanger by the blower is warmed and passes through ducts
to room registers.
When thermostat is satisfied, the circuit is de-energized and
primary control shuts off burner. The blower continues to run until
selectable fan off time period has expired.
The heat sensing switch performs as furnace high-temperature
limit switch. If furnace overheats for any reason, the limit switch
opens, breaking circuit to burner. The blower motor is energized,
and as unit cools, the limit switch closes. This relights burner, but
unless overheating condition is corrected, furnace will cycle on
limit.
This unit is equipped with an interrupted ignition electronic
control. If main burner does not ignite within 30 sec from call for
heat, the control locks out. The red button on top of control must
be depressed for 3 sec in order to reset control. The control
CANNOT be reset from room thermostat.
II. PREPARING YOUR FURNACE FOR OPERATION
Before attempting to put your furnace into operation for the
heating season, you should perform the following procedures:
WARNING: If you do not follow these instructions
exactly, a fire or explosion may result causing property
damage, personal injury, or loss of life.
1. Open all warm-air registers and make sure all return-air
grilles are unobstructed.
2. If a humidifier is installed with your system, open water
supply valve.
3. Set thermostat to lowest setting.
4. Turn on electric power to furnace.
5. Open oil supply valve.
6. Check all connections to ensure there are no leaks.
III. LIGHTING YOUR FURNACE
CAUTION: This furnace is equipped with an interrupted
type electronic ignition system. DO NOT ATTEMPT TO
LIGHT WITH A MATCH.
DANGER: HIGH VOLTAGE AT IGNITOR. Severe
electrical shock, personal injury, or death could result.
1. This appliance is equipped with an ignition device which
automatically lights burner. Do NOT try to light burner by
hand.
2. After preparing furnace for heating operation (see previous
section) and checking for oil, proceed as follows.
3. For heating/cooling system, set thermostat to HEAT and fan
to AUTO. Set thermostat to desired room temperature and
turn on electrical power to furnace.
4. The burner should light and system should be controlled by
thermostat.
IV. TURNING OFF YOUR FURNACE
Follow these simple procedures to put your furnace into "retire-
ment" for the summer.
1. Set thermostat to lowest setting.
2. Turn off all electrical power to appliance.
3. Turn off oil supply.
4. If applicable, turn off water supply to humidifier.
5. If furnace blower will be necessary for cooling system,
remember to turn electrical power back on when needed for
air conditioning.
FOR SERVICE CALL
NAME:
ADDRESS:
TELEPHONE:
© 1997 Bryant Heating & CoolingSystems 7310 W. Morris St. Indianapolis, IN 46231
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Printed in U.S.A. 362a1051 Catalog No. BDP-3336-203
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